biplotEZ

User-friendly biplots in R



Centre for Multi-Dimensional Data Visualisation (MuViSU)
muvisu@sun.ac.za



SASA 2024

Representing samples

A standard result when \(r = 2\) is that the row vectors of \({\bf{\hat{X}}}_{[2]}\) are the orthogonal projects of the corresponding row vectors of \({\bf{X}}\) onto the column space of \({\bf{V}}_2\). These projections are also known as the first two principal components.

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